Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use assertHasCause method of org.assertj.core.internal.Throwables class

Best Assertj code snippet using org.assertj.core.internal.Throwables.assertHasCause

Source:Throwables_assertHasCause_Test.java

...19import org.assertj.core.util.AssertionsUtil;20import org.assertj.core.util.FailureMessages;21import org.junit.jupiter.api.Test;22import org.mockito.Mockito;23public class Throwables_assertHasCause_Test extends ThrowablesBaseTest {24    private static final AssertionInfo INFO = TestData.someInfo();25    @Test26    public void should_pass_if_cause_has_expected_type_and_message() {27        // GIVEN28        Throwable cause = new IllegalArgumentException("wibble");29        Throwable expected = new IllegalArgumentException("wibble");30        Throwable throwable = Throwables_assertHasCause_Test.withCause(cause);31        // WHEN32        throwables.assertHasCause(Throwables_assertHasCause_Test.INFO, throwable, expected);33        // THEN34        // no exception thrown35    }36    @Test37    public void should_pass_if_actual_has_no_cause_and_expected_cause_is_null() {38        // GIVEN39        Throwable cause = null;40        Throwable expected = null;41        Throwable throwable = Throwables_assertHasCause_Test.withCause(cause);42        // WHEN43        throwables.assertHasCause(Throwables_assertHasCause_Test.INFO, throwable, expected);44        // THEN45        // no exception thrown46    }47    // @format:on48    @Test49    public void should_fail_if_expected_cause_is_null() {50        // GIVEN51        final Throwable throwable = Throwables_assertHasCause_Test.withCause(new Throwable());52        final Throwable expected = null;53        // WHEN54        AssertionsUtil.expectAssertionError(() -> throwables.assertHasCause(INFO, throwable, expected));55        // THEN56        Mockito.verify(failures).failure(Throwables_assertHasCause_Test.INFO, ShouldHaveNoCause.shouldHaveNoCause(throwable));57    }58    @Test59    public void should_fail_if_actual_is_null() {60        // GIVEN61        final Throwable throwable = null;62        final Throwable expected = new Throwable();63        // WHEN64        AssertionError actual = AssertionsUtil.expectAssertionError(() -> throwables.assertHasCause(INFO, throwable, expected));65        // THEN66        Assertions.assertThat(actual).hasMessage(FailureMessages.actualIsNull());67    }68}

assertHasCause

Using AI Code Generation

1assertThatExceptionOfType(IOException.class).isThrownBy(() -> {2  throw new IOException(new NullPointerException());3}).assertHasCause(new NullPointerException());4assertThatExceptionOfType(IOException.class).isThrownBy(() -> {5  throw new IOException(new NullPointerException());6}).assertHasCauseInstanceOf(NullPointerException.class);7assertThatExceptionOfType(IOException.class).isThrownBy(() -> {8  throw new IOException(new NullPointerException());9}).assertHasCauseExactlyInstanceOf(NullPointerException.class);10assertThatExceptionOfType(IOException.class).isThrownBy(() -> {11  throw new IOException(new NullPointerException());12}).assertHasNoCause();13assertThatExceptionOfType(IOException.class).isThrownBy(() -> {14  throw new IOException(new NullPointerException());15}).assertHasMessage("IOException message");16assertThatExceptionOfType(IOException.class).isThrownBy(() -> {17  throw new IOException(new NullPointerException());18}).assertHasMessageContaining("IOException");19assertThatExceptionOfType(IOException.class).isThrownBy(() -> {20  throw new IOException(new NullPointerException());21}).assertHasMessageMatching("IOException.*");22assertThatExceptionOfType(IOException.class).isThrownBy(() -> {23  throw new IOException(new NullPointerException());24}).assertHasMessageStartingWith("IOException");25assertThatExceptionOfType(IOException.class).isThrownBy(() -> {26  throw new IOException(new NullPointerException());27}).assertHasMessageEndingWith("message");28assertThatExceptionOfType(IOException.class).isThrownBy(() -> {29  throw new IOException(new NullPointerException());30}).assertHasMessage("IOException message").assertHasCauseInstanceOf(NullPointerException.class);31assertThatExceptionOfType(IOException.class).isThrownBy(() -> {32  throw new IOException(new NullPointerException());33}).assertHasCauseInstanceOf(NullPointerException.class).assertHasMessage("IOException message");34assertThatExceptionOfType(IOException.class).isThrownBy(() -> {35  throw new IOException(new NullPointerException());36}).assertHasCauseInstanceOf(NullPointerException.class).assertHasMessage("IOException message").assertHasNoCause();37assertThatExceptionOfType(IOException.class).isThrownBy(() -> {38  throw new IOException(new NullPointerException());39}).assertHasStackTraceContaining("NullPointerException");40assertThatExceptionOfType(IOException.class).isThrownBy(() -> {41  throw new IOException(new NullPointerException());42}).assertHasNoCause().assertHasStackTraceContaining("NullPointerException");43assertThatExceptionOfType(IOException.class).isThrownBy(() -> {44  throw new IOException(new NullPointerException());45}).assertHasCauseInstanceOf(NullPointerException.class).assertHasStackTraceContaining("NullPointerException");46assertThatExceptionOfType(IOException.class).isThrownBy(() -> {47  throw new IOException(new NullPointerException());48}).assertHasCauseExactlyInstanceOf(NullPointerException.class).assertHasStackTrace

assertHasCause

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Throwables;3import org.junit.jupiter.api.Test;4public class AssertHasCauseTest {5    public void test() {6        Throwable actual = new Throwable(new Throwable("actual cause"));7        Throwable expectedCause = new Throwable("expected cause");8        Assertions.assertThatThrownBy(() -> new Throwables().assertHasCause(Assertions.info(), actual, expectedCause))9                .isInstanceOf(AssertionError.class)10                .hasMessageContaining("expecting a cause with message:").hasMessageContaining("expected cause")11                .hasMessageContaining("but was:").hasMessageContaining("actual cause");12    }13}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.